Create a JS sessions like PHP sessions
var session = new Session(); // default max-time: 3600 (30 minutes)
var session = new Session(4800); // 1h20m
session.set('user-id', 15); // Return session information. e.g. {'user-id': 15};
session.get('user-id'); // Return user-id from session. e.g. 15;
session.countdown(); // e.g. 4799 (01:19:59)
session.destroy(); // destroy all session information
<head>
<title>Session JS</title>
</head>
<body>
<p>Nome: <span id="nome"></span></p>
<p>Usuário: <span id="user"></span></p>
<p>Idade: <span id="age"></span></p>
<p>Estado: <span id="state"></span></p>
<p>Cidade: <span id="city"></span></p>
<script type="text/javascript" src="session.js"></script>
<script type="text/javascript" src="index.js"></script>
</body>